Test Code FETFIBRO Fetal Fibronectin
Collection Method
Provider Collected
Container
FFNKIT
Instructions/Special Handling
- Specimen should be collected before digital exam or ultrasound.
- Specimen should not be collected if patient has had sexual intercourse within the last 24 hours.
- Specimen should not be collected if patient is suspected or known to have placenta abruption, placenta previa or moderate or gross vaginal bleeding.
Preferred Specimen
FFNKIT
Acceptable Specimes
FFNKIT
Units
ng/ml
Reference Ranges
- A POSITVE f FN result is >50ng/ml
- A NEGATIVE f FN results is <50ng/ml
- The result is “INVALID” if the test does not meet internal quality controls.
Reasons for Rejection
| Hemolysis | N/A |
| Icterus | N/A |
| Lipemia | N/A |
| Other | QNS, Contaminated, Improperly labeled, Improper specimen type |
Specimen Stability
| Ambient (15-25°C) | 8 hours |
| Refrigerated (2-8°C) | 3 days |
| Frozen (-20°C) | 3 months |
Performing Site
Boone Health Laboratory
Performance Information
| Days/Times Performed | Daily 24/7 |
| Expected Turn around Time | Same day |
| Methodology/Method Description | ADEZA TLi IQ SYSTEM |
CPT Code(s)
82731
Panel Components
N/A